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Keywords: capillary pressure
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Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 20–22, 2021
Paper Number: SPE-200873-MS
... temperature shift thermal method gas injection method pr eos attractive parameter enhanced recovery steam-assisted gravity drainage confinement effect huff-n-puff process unconventional reservoir petroleum engineer co 2 reservoir mechanism capillary pressure permeability fluid characterization...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 20–22, 2021
Paper Number: SPE-200875-MS
... capillary pressure oil recovery shale oil upstream oil & gas imbibition strength fracture strong parameter matrix initial water saturation permeability Introduction Hydraulic fracturing is a stimulation technique that is inevitably required to allow economic hydrocarbon production from...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–27, 2017
Paper Number: SPE-185725-MS
... permeability porosity rock type fracture vl condition Injection Rate relative permeability curve relative permeability upscaled relative permeability matrix coal core permeability synthetic core saturation capillary pressure Introduction The upscaling of multiphase flow properties, namely...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, May 23–26, 2016
Paper Number: SPE-180475-MS
... wettability society of petroleum engineers well-resting time Modeling & Simulation oil rate permeability load fluid recovery factor relative permeability mixed-wet reservoir capillary pressure Introduction The wettability of a formation has significant effects on the multiphase fluid flow...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 27–30, 2015
Paper Number: SPE-174065-MS
... measured a series of capillary pressures in a shale sample using formation fluids. Specifically we measured drainage, imbibition, and forced imbibition capillary pressures to quantify wettability, and the mobile fluid saturation window in the shale matrix. In this study, we report on the use...
Proceedings Papers

Paper presented at the SPE Western North American and Rocky Mountain Joint Meeting, April 17–18, 2014
Paper Number: SPE-169517-MS
... of the gas-oil IFT with increasing pressure, and extrapolating the trend to zero. In this paper, we determine the vanishing interfacial tension trend of equilibrium gas-oil with increasing pressure in subsurface pores, which includes capillary pressure. We extrapolate the decreasing IFT trend to zero IFT...
Proceedings Papers

Paper presented at the SPE Western Regional & AAPG Pacific Section Meeting 2013 Joint Technical Conference, April 19–25, 2013
Paper Number: SPE-165334-MS
..., and the effect of wettability is discussed by conceptual models. To verify the theoretical concept, different wettability conditions are modeled based on the Utsira formation of Sleipner reservoir and also the Viking formation (Canadian brine formation). Hysteresis in relative permeability and capillary pressure...
Proceedings Papers

Paper presented at the SPE Western Regional & AAPG Pacific Section Meeting 2013 Joint Technical Conference, April 19–25, 2013
Paper Number: SPE-165341-MS
... was incorporated into the geologic model. A Monte Carlo simulation was conducted to estimate the different degrees of uncertainty in the original oil in place (OOIP) estimates. To cover the wide permeability range (0–500 md), three sand groups (rock types) were defined and assigned appropriate capillary pressure...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 21–23, 2012
Paper Number: SPE-153954-MS
... number interfacial tension co 2 input relative permeability curve capillary pressure permeability equation Introduction Recently, the influences of flowrate, gravity, and capillarity on immiscible CO 2 /brine two-phase flow system at core scale have been studied in laboratory experiments...
Proceedings Papers

Paper presented at the SPE Western North American Region Meeting, May 7–11, 2011
Paper Number: SPE-144613-MS
... of CO 2 in the atmosphere, CO 2 must be captured and injected at a scale of giga-tonnes every year. Therefore, saline aquifers with significant capacity worldwide are good candidates for large-scale CO 2 sequestration (IPCC, 2005). where J is the dimensionless capillary pressure (J-function...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, May 27–29, 2010
Paper Number: SPE-132645-MS
... conditions. different boundary condition fluid dynamics boundary condition gravity force flow in porous media permeability society of petroleum engineers oil recovery imbibition upstream oil & gas matrix block spe 132645 capillary pressure curve capillary pressure saturation...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 24–26, 2009
Paper Number: SPE-121354-MS
... study, it is inferred that the oil recovery characteristics change by changing the capillary pressure characteristics and the interfacial tension. Modeling & Simulation pH brine enhanced recovery Fluid Dynamics Brine imbibition spontaneous countercurrent imbibition reservoir water...
Proceedings Papers

Paper presented at the SPE Western Regional and Pacific Section AAPG Joint Meeting, March 29–April 2, 2008
Paper Number: SPE-114225-MS
... of the thermophysical methods used to calculate physical properties. The various cases studied here are Liquid Densities from Volume Translated Cubic Equations of State: Are They Always Better? Effect of α-Term Selection: Low Temperature Enthalpy Calculations. Relative permeability and capillary pressures...
Proceedings Papers

Paper presented at the SPE Western Regional/AAPG Pacific Section/GSA Cordilleran Section Joint Meeting, May 8–10, 2006
Paper Number: SPE-100659-MS
..., capillary and gravity) in oil recovery processes. The model is general in that it can use any shape for relative permeability and capillary pressure functions, and it is developed to allow analysis of these forces individually or in a combined manner. By using Corey-type functions for relative permeability...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 30–April 1, 2005
Paper Number: SPE-93831-MS
... estimating relative permeability from laboratory data, such as accuracy of measurements and generalizing assumptions in the interpretation techniques. A novel method is used here to estimate relative permeability and capillary pressure from in-situ aqueous phase saturation profiles obtained utilizing...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 30–April 1, 2005
Paper Number: SPE-93574-MS
... system and operational property is studied in a range of naturally fractured reservoirs such as with different matrix block sizes, fracture/matrix permeability ratios and capillary pressures. The present study should help us better understand fluid flow dynamics, design optimum recovery operations...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 30–April 1, 2005
Paper Number: SPE-93634-MS
... times the capillary pressure gradient within the sample are approximately constant through most of the imbibition process, during these experiments. The combined conclusion of these interpretational methods implies that the water permeability and the capillary pressure-water saturation gradient...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 30–April 1, 2005
Paper Number: SPE-93862-MS
... at each time step. The equilibrium mole fraction of water in the gas phase has been corrected for capillary pressure and salinity effects. A modified equilibrium constant has been derived that takes into account capillary pressure. capillary pressure saturation upstream oil & gas salinity...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 30–April 1, 2005
Paper Number: SPE-93806-MS
... Abstract A novel three-dimensional pore network model of two-phase flow was developed to compute permeability, relative permeability, and capillary pressure curves from pore-type size and shape data information measured via high resolution image analysis of rock samples. The diatomite model...
Proceedings Papers

Paper presented at the SPE Western Regional/AAPG Pacific Section Joint Meeting, May 19–24, 2003
Paper Number: SPE-83470-MS
... was proposed and used to analyze the oil production data from naturally-fractured reservoirs developed by water flooding. Relative permeability and capillary pressure were included in this model. The model reveals a linear relationship between the oil production rate and the reciprocal of the oil recovery...

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